This large volcanic eruption generated so much sulfur dioxide that global temperatures cooled by about 0.5°C for two years following the event.

A. Mount Pinatubo
B. Mount St. Helens
C. Mount Tambora


Answer: A

Environmental & Atmospheric Sciences

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A) iridescence B) scintillation C) dispersion D) twilight

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If a fusion reaction produces no appreciable radioactive isotopes, why does a hydrogen bomb produce significant radioactive fallout?

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Environmental & Atmospheric Sciences